Distance between cities › USA › South Dakota › Winner, SD › Distance from Winner to Onslow Book Hotels

Distance from Winner, SD to Onslow, IA

Distance

505 mi

Time

10 hours 13 mins

Gas Cost

$47 - $92

There are 457.03 miles from Winner to Onslow in east direction and 505 miles (812.72 kilometers) by car, following the US-20 route.

Winner and Onslow are 10 hours 13 mins far apart, if you drive non-stop .

This is the fastest route from Winner, SD to Onslow, IA. The halfway point is Galva, IA.

Winner, SD and Onslow, IA are in the same time zone (CDT). Current time in both locations is 7:41 pm.

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Lowest Price Rental Cars in Winner, SD

Planning on renting a car to go from Winner, SD to Onslow, IA? Here there are some offers to rent a car in Winner, SD

Small

From $14

Intermediate

From $18

Full-size

From $24

SUVs

From $28

Vans

From $40

Compare rental car prices in Winner »

Gas Consumption and Emissions

A car with a fuel efficiency of MPG will need 20.29 gallons of gas to cover the route between Winner, SD and Onslow, IA.

The estimated cost of gas to go from Winner to Onslow is $66.19.

During the route, an average car will release 397.53 pounds of CO₂ to the atmosphere. The carbon footprint would be 0.79 pounds of CO₂ per mile.

Average USA gas price used for calculation is $3.26 per gallon of regular gas. Price last updated on March 12, 2026.
Read more about our CO₂ calculation.

Halfway Point Between Winner, SD and Onslow, IA

If you want to meet halfway between Winner, SD and Onslow, IA or just make a stop in the middle of your trip, the exact coordinates of the halfway point of this route are 42.476097 and -95.456657, or 42º 28' 33.9492" N, 95º 27' 23.9652" W. This location is 252.62 miles away from Winner, SD and Onslow, IA and it would take approximately 5 hours 6 mins to reach the halfway point from both locations.

Closest City or Town to Halfway Point

The closest town to the halfway point is Galva, IA, situated 262 miles from Winner, SD and 252 miles from Onslow, IA. It would take 4 hours 33 mins to go from Winner to Galva and 4 hours 5 mins to go from Onslow to Galva.